Heavy to severe thunderstorms may bring areas of excessive rainfall and flooding over parts of the southern Plains through Friday. A Slight Risk of excessive rainfall has been issued. Dangerously hot temperatures are forecast across parts of southern Arizona and far southeastern California Saturday through Monday. An Extreme Heat Watch has been issued. Read More >
In the United States new 30-year normals are calculated every ten years. The most recent normals (using 1991-2020 data) are listed below, along with the previous set of normals (from 1981-2010), and the difference between the two normals packages. Click on the images to see larger versions.
Or, click here to see comparisons between the new normals and the previous (1981-2010) set of normals in graphical format for local cities (BWG, FFT, LEX, SDF, LOU).
TEMPERATURE
ANNUAL | ||||||||
1991-2020 | Difference Between Old and New | 1981-2010 | ||||||
Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum |
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SEASONAL | |||||||||
1991-2020 | Difference Between Old and New | 1981-2010 | |||||||
Mean | Maximum | Minimum | Mean | Maximum | Minimum | Mean | Maximum | Minimum | |
Spring | ![]() |
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Summer | ![]() |
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Autumn | ![]() |
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Winter | ![]() |
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PRECIPITATION
ANNUAL | |||
Difference Between Old and New | |||
1991-2020 | Percentage Change | Value Difference | 1981-2010 |
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SEASONAL | ||||
Difference Between Old and New | ||||
1991-2020 | Percentage Change | Value Difference | 1981-2010 | |
Spring | ![]() |
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Summer | ![]() |
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Autumn | ![]() |
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Winter | ![]() |
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MONTHLY | ||||
Difference Between Old and New | ||||
1991-2020 | Percentage Change | Value Difference | 1981-2010 | |
January | ![]() |
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February | ![]() |
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March | ![]() |
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April | ![]() |
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May | ![]() |
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June | ![]() |
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July | ![]() |
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August | ![]() |
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September | ![]() |
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October | ![]() |
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November | ![]() |
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December | ![]() |
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DEW POINT
The following maps are from the PRISM Climate Group at Oregon State University
January | February | March | April |
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May | June | July | August |
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September | October | November | December |
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